Firstly, according to the plate-fuel core structure character, average subchannel is selected for the object of study, and the core model is set by adopting rational and equivalent means.

• 首先根据板状元件堆芯的结构特点，选取堆芯平均子通道为研究对象，运用合理的等效方法建立了一体化堆堆芯模型。